Reverse surface normals on painted objects

When you paint a stroke on a paintable object, the tube growth is relative to the surface normal. You may find yourself painting on surfaces with reversed normals (for example, if you are painting on a model where one side is a mirror of the other), in which case the tubes will grow in the opposite direction.

To remedy this, switch the Opposite flag for the surface before you paint on it (turn it on or off). Switching the flag for the surface after painting a stroke will have no effect on the existing stroke.

To switch the Opposite flag

1. Create a hotkey for Toggle Opposite Flag of Selected Shapes (select Window > Settings/Preferences > Hotkey Editor then click the Paint Effects category). For details on creating hotkeys, see the Basics guide.
2. Select the surface.
3. Press the hotkey to switch the flag.

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